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IMR 3031 A propellant with many uses, IMR 3031 has long been a favorite of 308 Match shooters using 168-grain match bullets. It is equally effective in small-capacity varmint cartridges from 223 Remington to 22-250 Remington, and it?s a great 30-30 Winchester powder
This fine, extruded propellant is the first in the series of Enduron Technology powders. The main features of the Enduron Technology series are copper fouling reducer, insensitivity to temperature changes, ideal loading density and being environmentally friendly. IMR 4166 is the perfect burn speed for cartridges like the 308 Win/7.62mm NATO, 22-250 Remington, 257 Roberts and dozens more. Positively, a versatile, match grade propellant.
Another new Enduron Technology extruded powder, IMR 4451, gives top performance in the venerable 30-06, 270 Winchester and 300 Winchester Short Magnum, to name just a few. This propellant is ideally suited for many, many mid-range burn speed cartridges. Simply scroll through the list of cartridges on the Hodgdon Reloading Data Center, and see how many of your favorite cartridges are covered with this fine powder. Once the shooter tries this one in that favorite cartridge, his search is over!
This new Enduron extruded powder is a top PERFORMER with such great cartridges as the 270 Winchester, 25-06 Remington, 280 Remington and 300 Winchester Magnum, and many, many more. It falls directly between IMR 4451 and IMR 7977 in burn speed, providing top performance for all cartridges used for big game. As with all Enduron powders, it is temperature insensitive, clean burning, minimizes coper fouling and is totally safe for the environment.
The slowest burn rate Enduron Technology extruded powder and a true magnum cartridge propellant. Yields outstanding performance in such cartridges as the 300 Winchester Magnum, 7mm Remington Magnum, 338 Lapua and a host of others. Loading density is perfect for magnums, nicely filling the case at maximum charges, contributing to superb uniformity and accuracy
